LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
HKHCCIK 0000088000

Horizon Kinetics Holding Corp

24 transactions by 6 insiders, from March 18, 2026 to September 18, 2026.

Transactions
246 insiders
Bought · P
$166Kopen market
Sold · S
Nonenobody sold on the open market
Net
+$166Knet buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Murray StahlCEO9—$6K—
Alice C. BrennanDir5—$26K—
Mark HerndonCFO4—$12K—
Brent D. RosenthalDir3—$98K—
Allison NagelbergDir2—$10K—
Daniel J. RollerDir1—$13K—

All transactions

24 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Allison NagelbergDirSep 18P190$26.27$5K
Alice C. BrennanDirSep 2P200$25.92$5K
Alice C. BrennanDirAug 28P200$26.20$5K
Alice C. BrennanDirAug 27P200$26.00$5K
Daniel J. RollerDirJOINTAug 26P500$26.50$13K
Alice C. BrennanDirAug 25P200$26.75$5K
Brent D. RosenthalDirAug 24P2,000$27.00$54K
Alice C. BrennanDirAug 24P200$26.87$5K
Mark HerndonCFOAug 20P200$26.75$5K
Mark HerndonCFOAug 19P50$26.50$1K
Brent D. RosenthalDirMay 20P700$27.85$19K
Mark HerndonCFOMay 20P100$27.85$3K
Murray StahlCEOJOINTMar 20P18$34.60$623
Murray StahlCEOJOINTMar 20P25$34.60$865
Murray StahlCEOJOINTMar 20P10$34.60$346
Allison NagelbergDirMar 20P150$33.96$5K
Murray StahlCEOJOINTMar 19P18$34.06$613
Murray StahlCEOJOINTMar 19P25$34.06$852
Murray StahlCEOJOINTMar 19P46$34.06$2K
Brent D. RosenthalDirMar 18P750$33.05$25K
Murray StahlCEOJOINTMar 18P8$34.00$272
Murray StahlCEOJOINTMar 18P9$34.00$306
Murray StahlCEOJOINTMar 18P10$34.00$340
Mark HerndonCFOMar 18P80$33.03$3K